<template>
  <div>
    <loader :loading="loading">
      <!-- 加载页面 -->
      <template slot="loader">
        <div>
          <zombie></zombie>
        </div>
      </template>
      <!-- 内容页面 -->
      <template slot="body">
        <!-- 首页图片 -->
        <el-image style="animation: header-effect 2s"
                  class="background-image-index"
                  v-once
                  lazy
                  :src="!$common.isEmpty($store.state.webInfo.backgroundImage)?$store.state.webInfo.backgroundImage:$constant.random_image+new Date()+Math.floor(Math.random()*10)"
                  fit="cover">
<!--          <div slot="error" class="image-slot background-image-error"></div>-->
          <div slot="error" class="image-slot background-image-index-error"></div>
        </el-image>
        <!-- 首页文字 -->
        <div class="signature-wall myCenter my-animation-hideToShow">
          <h1 class="playful">
            <span v-for="(a, index) in $store.state.webInfo.webTitle" :key="index">{{ a }}</span>
          </h1>
          <div class="printer" @click="getGuShi()">
            <printer :printerInfo="printerInfo">
              <template slot="paper" slot-scope="scope">
                <h3>
                  {{ scope.content }}<span class="cursor">|</span>
                </h3>
              </template>
            </printer>
          </div>
          <div id="bannerWave1"></div>
          <div id="bannerWave2"></div>
          <i class="el-icon-arrow-down" @click="navigation('.page-container-wrap')"></i>
        </div>
        <!-- 首页内容 -->
        <div class="page-container-wrap">
          <div class="page-container">

            <div class="aside-content" v-if="showAside">
              <myAside @selectSort="selectSort" @selectArticle="selectArticle"></myAside>
            </div>



            <div class="recent-posts">
              <div class="announcement background-opacity">
                <i class="fa fa-volume-up" aria-hidden="true"></i>
                <div>
                  <div v-for="(notice, index) in $store.state.webInfo.notices" :key="index">
                    {{ notice }}
                  </div>
                </div>
              </div>

              <div v-show="indexType === 1">
                <div v-for="(sort, index) in sortInfo" :key="index">
                  <div v-if="!$common.isEmpty(sortArticles[sort.id])">
                    <div class="sort-article-first">
                      <div>
                        <svg viewBox="0 0 1024 1024" width="20" height="20"
                             style="vertical-align: -2px;margin-bottom: -2px">
                          <path
                            d="M367.36 482.304H195.9936c-63.3344 0-114.6368-51.3536-114.6368-114.6368V196.2496c0-63.3344 51.3536-114.6368 114.6368-114.6368h171.4176c63.3344 0 114.6368 51.3536 114.6368 114.6368V367.616c0 63.3344-51.3536 114.688-114.688 114.688zM367.36 938.752H195.9936c-63.3344 0-114.6368-51.3536-114.6368-114.6368v-171.4176c0-63.3344 51.3536-114.6368 114.6368-114.6368h171.4176c63.3344 0 114.6368 51.3536 114.6368 114.6368v171.4176c0 63.3344-51.3536 114.6368-114.688 114.6368zM828.672 938.752h-171.4176c-63.3344 0-114.6368-51.3536-114.6368-114.6368v-171.4176c0-63.3344 51.3536-114.6368 114.6368-114.6368h171.4176c63.3344 0 114.6368 51.3536 114.6368 114.6368v171.4176c0 63.3344-51.3024 114.6368-114.6368 114.6368zM828.672 482.304h-171.4176c-63.3344 0-114.6368-51.3536-114.6368-114.6368V196.2496c0-63.3344 51.3536-114.6368 114.6368-114.6368h171.4176c63.3344 0 114.6368 51.3536 114.6368 114.6368V367.616c0 63.3344-51.3024 114.688-114.6368 114.688z"
                            fill="#FF623E"></path>
                        </svg>
                        {{ sort.sortName }}
                      </div>
                      <div class="article-more" @click="$router.push({path: '/sort', query: {sortId: sort.id}})">
                        <svg viewBox="0 0 1024 1024" width="20" height="20"
                             style="vertical-align: -2px;margin-bottom: -2px">
                          <path
                            d="M347.3 897.3H142.2c-30.8 0-51.4-31.7-38.9-59.9l136.1-306.1c4.9-11 4.9-23.6 0-34.6L103.3 190.6c-12.5-28.2 8.1-59.9 38.9-59.9h205.1c16.8 0 32.1 9.9 38.9 25.3l151.4 340.7c4.9 11 4.9 23.6 0 34.6L386.3 872.1c-6.9 15.3-22.1 25.2-39 25.2z"
                            fill="#009F72"></path>
                          <path
                            d="M730.4 897.3H525.3c-30.8 0-51.4-31.7-38.9-59.9l136.1-306.1c4.9-11 4.9-23.6 0-34.6L486.4 190.6c-12.5-28.2 8.1-59.9 38.9-59.9h205.1c16.8 0 32.1 9.9 38.9 25.3l151.4 340.7c4.9 11 4.9 23.6 0 34.6L769.3 872.1c-6.8 15.3-22.1 25.2-38.9 25.2z"
                            fill="#F9DB88"></path>
                        </svg>
                        MORE
                      </div>
                    </div>
                    <sortArticle :articleList="sortArticles[sort.id]"></sortArticle>
                  </div>
                </div>
              </div>

              <div v-show="indexType === 2">
                <articleList :articleList="articles"></articleList>
                <div class="pagination-wrap">
                  <div @click="pageArticles()" class="pagination" v-if="pagination.total !== articles.length">
                    下一页
                  </div>
                  <div v-else style="user-select: none">
                    ~~到底啦~~
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>



        <!-- 页脚 -->
        <div style="background: var(--background)">
          <myFooter></myFooter>
        </div>
      </template>
    </loader>
  </div>
</template>
<script>


const loader = () => import( "./common/loader");
const zombie = () => import( "./common/zombie");
const printer = () => import( "./common/printer");
const articleList = () => import( "./articleList");
const sortArticle = () => import( "./common/sortArticle");
const myFooter = () => import( "./common/myFooter");
const myAside = () => import( "./myAside");

export default {
  components: {
    // TreeHole,
    loader,
    zombie,
    printer,
    articleList,
    sortArticle,
    myFooter,
    myAside
  },

  data() {
    return {
      loading: false,
      showAside: true,
      indexType: 1,
      printerInfo: "你看对面的青山多漂亮",
      pagination: {
        current: 1,
        size: 10,
        total: 0,
        searchKey: "",
        sortId: null,
        articleSearch: ""
      },
      guShi: {
        "content": "",
        "origin": "",
        "author": "",
        "category": ""
      },
      articles: [],
      sortArticles: {}
    };
  },

  watch: {},

  created() {
    this.getGuShi();
    this.getSortArticles();
  },

  computed: {
    sortInfo() {
      return this.$store.state.sortInfo;
    }
  },

  mounted() {
  },

  methods: {
    async selectSort(sort) {
      this.pagination = {
        current: 1,
        size: 10,
        total: 0,
        searchKey: "",
        sortId: sort.id,
        articleSearch: ""
      };
      this.articles = [];
      await this.getArticles();
      this.$nextTick(() => {
        this.indexType = 2;
        $(".announcement").css("max-width", "780px");
        document.querySelector('.recent-posts').scrollIntoView({
          behavior: "smooth",
          block: "start",
          inline: "nearest"
        });
      });
    },
    async selectArticle(articleSearch) {
      this.pagination = {
        current: 1,
        size: 10,
        total: 0,
        searchKey: "",
        sortId: null,
        articleSearch: articleSearch
      };
      this.articles = [];
      await this.getArticles();
      this.$nextTick(() => {
        this.indexType = 2;
        $(".announcement").css("max-width", "780px");
        document.querySelector('.recent-posts').scrollIntoView({
          behavior: "smooth",
          block: "start",
          inline: "nearest"
        });
      });
    },
    pageArticles() {
      this.pagination.current = this.pagination.current + 1;
      this.getArticles();
    },

    async getArticles() {
      await this.$http.post(this.$constant.baseURL + "/article/listArticle", this.pagination)
        .then((res) => {
          if (!this.$common.isEmpty(res.data)) {
            this.articles = this.articles.concat(res.data.records);
            this.pagination.total = res.data.total;
          }
        })
        .catch((error) => {
          this.$message({
            message: error.message,
            type: "error"
          });
        });
    },
    getSortArticles() {
      this.$http.get(this.$constant.baseURL + "/article/listSortArticle")
        .then((res) => {
          if (!this.$common.isEmpty(res.data)) {
            this.sortArticles = res.data;
          }
        })
        .catch((error) => {
          this.$message({
            message: error.message,
            type: "error"
          });
        });
    },
    navigation(selector) {
      let pageId = document.querySelector(selector);
      window.scrollTo({
        top: pageId.offsetTop,
        behavior: "smooth"
      });
    },
    getGuShi() {
      let that = this;
      let xhr = new XMLHttpRequest();
      xhr.open('get', this.$constant.jinrishici);
      xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
          that.guShi = JSON.parse(xhr.responseText);
          that.printerInfo = that.guShi.content;
        }
      };
      xhr.send();
    }
  }
}
</script>

<style scoped>

.background-image-index {
  width: 100vw;
  height: 45vh;
  position: fixed;
  z-index: -1;
}

.background-image-index::before {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .2);
  content: '';
}

.background-image-index-error {
  background-color: var(--lightGreen);
  width: 100vw;
  height: 50vh;
  position: fixed;
  z-index: -1;
}

.signature-wall {
  /* 向下排列 */
  display: flex;
  flex-direction: column;
  position: relative;
  user-select: none;
  //height: 100vh;
  height: 45vh;
  overflow: hidden;
}

.playful {
  color: var(--white);
  font-size: 40px;
}

.sort-article-first {
  margin: 40px auto 20px;
  display: flex;
  justify-content: space-between;
  color: var(--greyFont);
  border-bottom: 1px dashed var(--lightGray);
  padding-bottom: 5px;
}

.article-more {
  cursor: pointer;
  transition: all 0.3s;
}

.article-more:hover {
  color: var(--lightGreen);
  font-weight: 700;
  transform: scale(1.1);
}

/*.playful span {*/
/*  position: relative;*/
/*  color: #5362f6;*/
/*  text-shadow: 0.25px 0.25px #e485f8, 0.5px 0.5px #e485f8, 0.75px 0.75px #e485f8,*/
/*  1px 1px #e485f8, 1.25px 1.25px #e485f8, 1.5px 1.5px #e485f8, 1.75px 1.75px #e485f8,*/
/*  2px 2px #e485f8, 2.25px 2.25px #e485f8, 2.5px 2.5px #e485f8, 2.75px 2.75px #e485f8,*/
/*  3px 3px #e485f8, 3.25px 3.25px #e485f8, 3.5px 3.5px #e485f8, 3.75px 3.75px #e485f8,*/
/*  4px 4px #e485f8, 4.25px 4.25px #e485f8, 4.5px 4.5px #e485f8, 4.75px 4.75px #e485f8,*/
/*  5px 5px #e485f8, 5.25px 5.25px #e485f8, 5.5px 5.5px #e485f8, 5.75px 5.75px #e485f8,*/
/*  6px 6px #e485f8;*/
/*  animation: scatter 1.75s infinite;*/
/*  font-weight: normal;*/
/*}*/

/*.playful span:nth-child(2n) {*/
/*  color: #ed625c;*/
/*  text-shadow: 0.25px 0.25px #f2a063, 0.5px 0.5px #f2a063, 0.75px 0.75px #f2a063,*/
/*  1px 1px #f2a063, 1.25px 1.25px #f2a063, 1.5px 1.5px #f2a063, 1.75px 1.75px #f2a063,*/
/*  2px 2px #f2a063, 2.25px 2.25px #f2a063, 2.5px 2.5px #f2a063, 2.75px 2.75px #f2a063,*/
/*  3px 3px #f2a063, 3.25px 3.25px #f2a063, 3.5px 3.5px #f2a063, 3.75px 3.75px #f2a063,*/
/*  4px 4px #f2a063, 4.25px 4.25px #f2a063, 4.5px 4.5px #f2a063, 4.75px 4.75px #f2a063,*/
/*  5px 5px #f2a063, 5.25px 5.25px #f2a063, 5.5px 5.5px #f2a063, 5.75px 5.75px #f2a063,*/
/*  6px 6px #f2a063;*/
/*  animation-delay: 0.3s;*/
/*}*/

/*.playful span:nth-child(3n) {*/
/*  color: #ffd913;*/
/*  text-shadow: 0.25px 0.25px #6ec0a9, 0.5px 0.5px #6ec0a9, 0.75px 0.75px #6ec0a9,*/
/*  1px 1px #6ec0a9, 1.25px 1.25px #6ec0a9, 1.5px 1.5px #6ec0a9, 1.75px 1.75px #6ec0a9,*/
/*  2px 2px #6ec0a9, 2.25px 2.25px #6ec0a9, 2.5px 2.5px #6ec0a9, 2.75px 2.75px #6ec0a9,*/
/*  3px 3px #6ec0a9, 3.25px 3.25px #6ec0a9, 3.5px 3.5px #6ec0a9, 3.75px 3.75px #6ec0a9,*/
/*  4px 4px #6ec0a9, 4.25px 4.25px #6ec0a9, 4.5px 4.5px #6ec0a9, 4.75px 4.75px #6ec0a9,*/
/*  5px 5px #6ec0a9, 5.25px 5.25px #6ec0a9, 5.5px 5.5px #6ec0a9, 5.75px 5.75px #6ec0a9,*/
/*  6px 6px #6ec0a9;*/
/*  animation-delay: 0.15s;*/
/*}*/

/*.playful span:nth-child(5n) {*/
/*  color: #555bff;*/
/*  text-shadow: 0.25px 0.25px #e485f8, 0.5px 0.5px #e485f8, 0.75px 0.75px #e485f8,*/
/*  1px 1px #e485f8, 1.25px 1.25px #e485f8, 1.5px 1.5px #e485f8, 1.75px 1.75px #e485f8,*/
/*  2px 2px #e485f8, 2.25px 2.25px #e485f8, 2.5px 2.5px #e485f8, 2.75px 2.75px #e485f8,*/
/*  3px 3px #e485f8, 3.25px 3.25px #e485f8, 3.5px 3.5px #e485f8, 3.75px 3.75px #e485f8,*/
/*  4px 4px #e485f8, 4.25px 4.25px #e485f8, 4.5px 4.5px #e485f8, 4.75px 4.75px #e485f8,*/
/*  5px 5px #e485f8, 5.25px 5.25px #e485f8, 5.5px 5.5px #e485f8, 5.75px 5.75px #e485f8,*/
/*  6px 6px #e485f8;*/
/*  animation-delay: 0.4s;*/
/*}*/

/*.playful span:nth-child(7n) {*/
/*  color: #ff9c55;*/
/*  text-shadow: 0.25px 0.25px #ff5555, 0.5px 0.5px #ff5555, 0.75px 0.75px #ff5555,*/
/*  1px 1px #ff5555, 1.25px 1.25px #ff5555, 1.5px 1.5px #ff5555, 1.75px 1.75px #ff5555,*/
/*  2px 2px #ff5555, 2.25px 2.25px #ff5555, 2.5px 2.5px #ff5555, 2.75px 2.75px #ff5555,*/
/*  3px 3px #ff5555, 3.25px 3.25px #ff5555, 3.5px 3.5px #ff5555, 3.75px 3.75px #ff5555,*/
/*  4px 4px #ff5555, 4.25px 4.25px #ff5555, 4.5px 4.5px #ff5555, 4.75px 4.75px #ff5555,*/
/*  5px 5px #ff5555, 5.25px 5.25px #ff5555, 5.5px 5.5px #ff5555, 5.75px 5.75px #ff5555,*/
/*  6px 6px #ff5555;*/
/*  animation-delay: 0.25s;*/
/*}*/

.printer {
  cursor: pointer;
  color: var(--white);
  background: var(--translucent);
  border-radius: 10px;
  padding-left: 10px;
  padding-right: 10px;
}

#bannerWave1 {
  height: 84px;
  background: var(--bannerWave1);
  position: absolute;
  width: 200%;
  bottom: 0;
  z-index: 10;
  animation: gradientBG 120s linear infinite;
}

#bannerWave2 {
  height: 100px;
  background: var(--bannerWave2);
  position: absolute;
  width: 400%;
  bottom: 0;
  z-index: 5;
  animation: gradientBG 120s linear infinite;
}

/* 光标 */
.cursor {
  margin-left: 1px;
  animation: hideToShow 0.7s infinite;
  font-weight: 200;
}

.el-icon-arrow-down {
  font-size: 40px;
  font-weight: bold;
  color: var(--white);
  position: absolute;
  bottom: 60px;
  animation: my-shake 1.5s ease-out infinite;
  z-index: 15;
  cursor: pointer;
}

.page-container-wrap {
  background: var(--background);
  position: relative;
}

.page-container {
  display: flex;
  justify-content: center;
  width: 90%;
  /* 限制最大宽度 页面会往中间靠*/
  max-width: 1500px;
  padding: 0 10px 40px 10px;
  margin: 0 auto;
  flex-direction: row;
}

.recent-posts {
  width: 70%;
}

.announcement {
  padding: 22px;
  border: 1px dashed var(--lightGray);
  color: var(--greyFont);
  border-radius: 10px;
  display: flex;
  margin: 40px auto 40px;
}

.announcement i {
  color: var(--themeBackground);
  font-size: 22px;
  margin: auto 0;
  animation: scale 0.8s ease-in-out infinite;
}

.announcement div div {
  margin-left: 20px;
  line-height: 30px;
}

.aside-content {
  width: calc(30% - 40px);
  user-select: none;
  margin-top: 40px;
  margin-right: 40px;
  max-width: 300px;
  float: right;
}

.pagination-wrap {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

.pagination {
  padding: 13px 15px;
  border: 1px solid var(--lightGray);
  border-radius: 3rem;
  color: var(--greyFont);
  width: 100px;
  user-select: none;
  cursor: pointer;
  text-align: center;
}

.pagination:hover {
  border: 1px solid var(--themeBackground);
  color: var(--themeBackground);
  box-shadow: 0 0 5px var(--themeBackground);
}

@media screen and (max-width: 1100px) {
  .recent-posts {
    width: 100%;
  }

  .page-container {
    width: 100%;
  }
}

@media screen and (max-width: 1000px) {

  .page-container {
    /* 文章栏与侧标栏垂直排列 */
    flex-direction: column;
  }

  .aside-content {
    width: 100%;
    max-width: unset;
    float: unset;
    margin: 40px auto 0;
  }
}

@media screen and (max-width: 768px) {

  h1 {
    font-size: 35px;
  }
}
</style>
